Diagnostic Host Functionality

Applies To: Windows Server 2008 R2

Diagnostic hosts provide an environment for the execution of diagnostic modules that are responsible for troubleshooting and resolving problems on the system. They are part of the built-in diagnostic infrastructure and do not require user configuration or maintenance.


Event ID Source Message



The Diagnostic Policy Service could not create a diagnostic module host instance for diagnostic module %6 (%5). The error code was %4. The scenario %1, instance %2, original activity ID %3 will be discarded.

Diagnostic Scenarios

Reliability Infrastructure